Price Move History
- Daily moves over 5%
- 7 48 sessions, February 20, 2025 to February 20, 2026
- Largest daily move
- -46.3% close of September 17, 2025
- 1-year change
- -90.1% closing prices, February 20, 2025 to February 20, 2026
Company Description
LONGDUODUO CO (OTC: LDDD) is classified in the diagnostics & research industry within the Healthcare sector and carries a market capitalization of $15.3M.
LDDD has declined 90.1% over the past year. The last closing price was $0.5100.
For FY2025, LONGDUODUO CO reported revenue of $4.3M with net income of $460K and diluted earnings per share of $0.01. The company operates at a net profit margin of 10.8%.
This page collects what Stock Titan holds for LDDD, including price data, latest news, SEC filings, insider trading activity, financial highlights, upcoming events, and short interest trends.
Stock Performance
LONGDUODUO CO (LDDD) closed at $0.5100 on February 20, 2026. Over the past 12 months, the price has lost 90.1%.
LDDD Metrics & Rankings
Price returns through February 20, 2026. Month-to-date and YTD include the first trading day. Ranking links may use different dates.
Latest News
SEC Filings
LONGDUODUO CO has filed 5 recent SEC filings, including 3 Form 10-Q, 1 Form 8-K, 1 Form 10-K. The most recent filing was submitted on September 16, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all LDDD SEC filings →
Financial Highlights
LONGDUODUO CO generated $4.3M in revenue in FY2025, retaining a 97.9% gross margin, operating income reached $553K (13.0% operating margin), and net income was $460K, reflecting a 10.8% net profit margin. Diluted earnings per share stood at $0.01. The company generated $277K in operating cash flow. With a current ratio of 2.18, the balance sheet reflects a strong liquidity position.
Upcoming Events
Short Interest History
Short interest in LONGDUODUO CO (LDDD) currently stands at 4 shares. Since September 2025, short interest has increased by 33.3%. With 1000.0 days to cover, it would take significant time for short sellers to close their positions based on average trading volume.
Days to Cover History
Days to cover for LONGDUODUO CO (LDDD) currently stands at 1000.0 days. This elevated days-to-cover ratio indicates it would take over two weeks of average trading volume for short sellers to exit their positions, suggesting potential for a short squeeze if positive news emerges. The days to cover has increased 99899% over the past year, indicating improving liquidity conditions. The ratio has shown significant volatility over the period, ranging from 1.0 to 1000.0 days.
LDDD Company Profile & Sector Positioning
LONGDUODUO CO (LDDD) operates in the Diagnostics & Research industry within the broader Healthcare sector and is listed on the OTC.